428006180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{436741}}^1$

素因数の和:436764

約数の個数: 36

約数和(自身を含む): 1045560348

約数和(自身を除く): 617554168

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 436741, 873482, 1746964, 2183705, 3057187, 4367410, 6114374, 8734820, 12228748, 15285935, 21400309, 30571870, 42800618, 61143740, 85601236, 107001545, 214003090, 428006180]

約数ペア:

[(1, 428006180), (2, 214003090), (4, 107001545), (5, 85601236), (7, 61143740), (10, 42800618), (14, 30571870), (20, 21400309), (28, 15285935), (35, 12228748), (49, 8734820), (70, 6114374), (98, 4367410), (140, 3057187), (196, 2183705), (245, 1746964), (490, 873482), (980, 436741)]